| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
|---|---|
| OI | obturator internus; occasional insomnia; opportunistic infection; opsonic index; orgasmic impairment... |
| EIC | elastase inhibition capacity; enzyme inhibition complex |
| LAI | latex particle agglutination inhibition; leukocyte adherence inhibition |
| LAI assay | Leukocyte Adherence Inhibition assay |